configure retention
RETENTION_TAG_MODE | No public |
RETENTION_TARGET | congfigure retention target cpu and/or tag |
RETENTION_CLK_SEL | No public |
RETENTION_DONE_WAIT | wait retention done cycle |
RETENTION_CLKOFF_WAIT | wait clk off cycle |
RETENTION_EN | enable retention |
RETENTION_WAIT | wait cycles for rention operation |